What It Is: Cadillac’s most ferocious performance sedan, essentially a four-door Corvette Z06. The CTS-V uses a 640-hp version of General Motors’ LT4, a supercharged and intercooled 6.2-liter V-8, paired with an eight-speed automatic that routes torque exclusively to the rear wheels. Cadillac introduced this third generation of its track-ready CTS variant for the 2016 model year. READ MORE ››